By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

It is a battle of the bombshells when one of Hollywood’s curviest reality show stars and one of tennis’ chicest champs wear exactly the same dress on the very, same night! Khloe Kardashian and Serena Williams face-off on the fashion front in Alexander

McQueen’s Jacquard Butterfly cap-sleeved dress ($1,275) in today’s Who Wore It Best!

Khloe showed off her Kardashian curves in the skintight stunner at the HPNOTIQ Harmonie Launch in NYC. Kim’s little sis paired the sexy dress with Christian Louboutin peep-toes and a metallic clutch.